has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID162796222 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID480368312 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID319404093 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID481042278 |